date:May 13, 2016
, they discovered differences between subcutaneous adipocytes and intramuscular adipocytes. Marbling adipocytes are much smaller in size and diameter than subcutaneous adipocytes, which tend to clump together. Another difference is metabolic, or which energy source they use to produce back fat or marbling. Back fat adipocytes use acetate, which is a volatile fatty acid produced in the rumen of cattle. Marbling adipocytes, however, require glucose, which Johnson said is a premium energy source fo